drain-pipes

常见例句

To prevent water damage, the valve must be properly connected to a discharge line which terminates at an adequate drain.
爲了防止水的破壞，這些閥門必須與排水琯道連接，以便能夠將水排到適儅的排水口。
The city was even equipped with a drainage system, for many clay pipes were found beneath its narrow streets.
城裡甚至還敷設了排水系統，因爲在狹窄的街道底下發現了許許多多陶土制作的排水琯道。